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ERIC Number: EJ435191
Record Type: Journal
Publication Date: 1991
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0022-0655
EISSN: N/A
Differential Testlet Functioning: Definitions and Detection.
Wainer, Howard; And Others
Journal of Educational Measurement, v28 n3 p197-219 Fall 1991
A testlet is an integrated group of test items presented as a unit. The concept of testlet differential item functioning (testlet DIF) is defined, and a statistical method is presented to detect testlet DIF. Data from a testlet-based experimental version of the Scholastic Aptitude Test illustrate the methodology. (SLD)
Descriptors: College Entrance Examinations, Definitions, Graphs, Item Bias, Item Response Theory, Mathematical Models, Scores, Test Construction, Test Items
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: SAT (College Admission Test)
Grant or Contract Numbers: N/A